A waning crescent moon will creep closer and closer to Spica until the star's light is extinguished in the blink of an eye on ...

For central and eastern time zones, the black moon will officially occur on December 1. Though a black moon isn't visible, it creates an ideal stargazing environment. A new moon is when the moon is ...

This event, known as an occultation (derived from the Latin word occultāre, which means "to conceal", can be a startling ...